Water adsorption-desorption on aluminum surface studied at the Synchrotron
Radiation Research Center (SRRC) is described. Both the thermal desorption
and the photon stimulated desorption were studied. It was observed that the
outgassing behavior of water is quite different from that of the other gas
es. Experimental results showed that the processes of venting, evacuation a
nd vacuum treatment are sensitive to the water desorption behavior. (C) 200
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